1) In the main series, Pokémon eat Pokémon.
2) Not of the same species.
This series has ferals, which I'd assume is an explanation to dungeon Pokémon in the games.
3) This is likely a feral --which I'd assume are the closest thing to animals--, which Leon's statement supports. Or at least something unnatural.

Conclusion: Calm yo self.

More important topics: Look at that cute little Caterpie making himself useful with stingshot. You go, little dude!